20213048401

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1061}}^1\times {\mathrm{7219}}^1$

素因数の和:8329

約数の個数: 32

約数和(自身を含む): 25763270400

約数和(自身を除く): 5550221999

約数列:

[1, 7, 13, 29, 91, 203, 377, 1061, 2639, 7219, 7427, 13793, 30769, 50533, 93847, 96551, 209351, 215383, 399997, 656929, 1465457, 2721563, 2799979, 7659359, 19050941, 53615513, 99571667, 222121411, 697001669, 1554849877, 2887578343, 20213048401]

約数ペア:

[(1, 20213048401), (7, 2887578343), (13, 1554849877), (29, 697001669), (91, 222121411), (203, 99571667), (377, 53615513), (1061, 19050941), (2639, 7659359), (7219, 2799979), (7427, 2721563), (13793, 1465457), (30769, 656929), (50533, 399997), (93847, 215383), (96551, 209351)]